Home / 56,316.75-77,717.12-31,167.87

Finding the Fourth Proportional to 56,316.75, 77,717.12 and 31,167.87

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Solution

The fourth proportional to 56,316.75, 77,717.12 and 31,167.87 is: 43,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,316.75 : 77,717.12 = 31,167.87 : x
  2. Step 2: Convert to fraction form
    56,316.75/77,717.12 = 31,167.87/x
  3. Step 3: Cross multiply
    56,316.75x = 77,717.12 × 31,167.87
  4. Step 4: Simplify right side
    56,316.75x = 2,422,277,092.93
  5. Step 5: Solve for x
    x = 2,422,277,092.93/56,316.75
  6. Step 6: Final answer
    x = 43,011.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.